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  • Open Access

    ARTICLE

    Hybrid Taguchi and Machine Learning Framework for Optimizing and Predicting Mechanical Properties of Polyurethane/Nanodiamond Nanocomposites

    Markapudi Bhanu Prasad1, Borhen Louhichi2, Santosh Kumar Sahu1,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.145, No.1, pp. 483-519, 2025, DOI:10.32604/cmes.2025.069395 - 30 October 2025

    Abstract This study investigates the mechanical behavior of polyurethane (PU) nanocomposites reinforced with nanodiamonds (NDs) and proposes an integrated optimization–prediction framework that combines the Taguchi method with machine learning (ML). The Taguchi design of experiments (DOE), based on an L9 orthogonal array, was applied to investigate the influence of composite type (pure PU, 0.1 wt.% ND, 0.5 wt.% ND), temperature (145°C–165°C), screw speed (50–70 rpm), and pressure (40–60 bar). The mechanical tests included tensile, hardness, and modulus measurements, performed under varying process parameters. Results showed that the addition of 0.5 wt.% ND substantially improved PU performance,… More >

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  • Open Access

    ARTICLE

    Synthesis and Characterization of Photothermal Responded Chitosan/Nanodiamond-Based Composite Beads with Enhanced Control Release Properties

    Yu Luo1,2,3, Mengna Zong1,2,3, Jin Wang1,2,3, Xuechun Wang1,2,3, Bo Bai1,2,3,*, Chunyu Zhou1,2,3,*, Junlin Zhu1,2,3, Jianyu Xing1,2,3, Moses M. C. Carlon Jr1,2,3

    Journal of Polymer Materials, Vol.41, No.2, pp. 87-103, 2024, DOI:10.32604/jpm.2024.054660 - 09 August 2024

    Abstract In this research, we developed a novel photo-stimulation-responsive composite sphere with a semi-interpenetrating polymer network (semi-IPN) structure, synthesized via an alkali gel method, to enhance the efficiency of agrochemicals. Chitosan (CS) serves as the structural matrix and protective shell, with a loading capacity for the plant growth hormone indole-3-butyric acid (IBA) of up to 41.73 μg/mg, effectively controlling the abrupt release of auxin. The incorporation of photothermal detonation nanodiamond (DND) and the photosensitive poly(N-isopropylacrylamide) (PNIPAm) endows the spheres with the ability to respond to light and temperature stimuli, achieving intelligent control over IBA release. Characterization… More >

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